<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <form action="/login" method="POST" style="margin: auto; text-align: center;">
        <div class="user">
            <div class="username">
                <label for="">用户名：</label>
                <input type="text" id="username" class="username" name="username">
            </div>
            <div>
                <label for="">密码：&nbsp;&nbsp;&nbsp;</label>
                <input type="password" id="password" class="password" name="password">
            </div>
            <div>
                <button type="submit" style="margin-left: 45px;">登录</button>
                <button type="button">注册</button>
            </div>
</body>
</html>